updated for version 7.4.060

Problem:    Declaration has wrong return type for PyObject_SetAttrString().
Solution:   Use int instead of PyObject. (Andreas Schwab)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    60,
 /**/
     59,
 /**/